struct greq	{
	int x,y,x1,y1;
	int fn;
	int color;
};

#define SETMODE 1
#define SETCUR 2
#define SETPAL 3
#define GETCUR 4
#define WRITECH 5
#define PUTPIXEL 6
#define GETPIXEL 7
#define BOX 8
